Fuel cell entry wall response to hydraulic ram

by Bruce Dean Page

Publisher: Naval Postgraduate School in Monterey, California

Written in English
Cover of: Fuel cell entry wall response to hydraulic ram | Bruce Dean Page
Published: Downloads: 461
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Subjects:

  • Aeronautics
ID Numbers
Open LibraryOL25379705M

Fuel Cell Enclosure Installation Response Requested, This form must be completed and returned to insure receipt of future addenda or additional information. Fax this form to () or email to: [email protected] All addenda will be forwarded to the contact name and number listed below. A single fuel cell consists of a membrane electrode assembly (MEA) and two flow-field plates delivering about and 1V voltage (too low for most applications). Just like batteries, individual cells are stacked to achieve a higher voltage and power. This assembly of cells is called a fuel cell stack, or just a stack. I have the Edelbrock Chrome steel fuel line with filter kit, what adaptor is needed to connect a 3/8” rubber hose to the fuel filter? With the steel fuel line and filter kits a -6 AN to barb adaptor can be used () to install a 3/8” push on rubber hose. Sales and Tech Support: () Tech Support Email: [email protected] Tech lines are open from AM to PM CST. Aeromotive Inc Barton Street Lenexa, KS

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Fuel cell entry wall response to hydraulic ram by Bruce Dean Page Download PDF EPUB FB2

CtiCIJ^lTYCLASSIFICATIONOFTHISP»OEi"H->,np,laEnlmrmd' usingseveralloadingmodelsandthosedeterminedexperimentally. Areasonablecorrelationwasachievedbutmoreworkmustbe. Hydraulic ram concerns the dynamic loads and catastrophic failure of liquid-filled fuel tanks impacted by high speed projectiles.

Hydraulic ram is divided into two phases: the shock phase and the drag phase. Analytical models have been proposed for the shock phase pressures by Yurkovich and for the drag phase pressures by Lundstrom.

Comparisons were made between hydraulic ram fuel cell entry Cited by: 2. Fuel cell entry wall response to hydraulic ram. By Bruce Dean Page Get PDF (4 MB)Author: Bruce Dean Page. Calhoun: The NPS Institutional Archive DSpace Repository Theses and Dissertations Thesis and Dissertation Collection Hydraulic ram effect on composite fuel entry by: 1.

Catastrophic failure of a partially filled aircraft fuel cell due to impact and penetration by a high speed projectile often occurs due to a phenomenon known as hydraulic ram. The structural response of the fuel tank walls to hydraulic ram should be of vital concern to the designers of aircraft fuel cells.

Considerable research has been conducted to determine the effects of hydraulic ram on Cited by: 1. An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker.

Audio. An illustration of a " floppy disk. Fuel cell pressure loading during hydraulic ram. Item Preview remove-circle Share or Embed This Item. The model requires the knowledge of the total impulse imparted by the fluid to the fuel cell.

Other codes such as HRSR (Hydraulic Ram Structural Response), ERAM or EHRSR were developed, but all of them showed their limitations and lack of accuracy on predicting the consequences of an HRAM event since none of them fully coupled the mechanisms.

Ball RE () Aircraft fuel tank vulnerability to hydraulic ram: modification of the north rop finite element computer code br-1 to include fluid-structure interaction—theory and user’s manual for br.

Fuel Cell Handbook (Seventh Edition) By EG&G Technical Services, Inc. Under Contract No. DE-AMFT U.S. Department of Energy Office of Fossil Energy National Energy Technology Laboratory P.O. Box Morgantown, West Virginia November DISCLAIMER. Holm, D.P., Hydraulic Ram Shock Waves and Cavitation Effects on Aircraft Fuel Cell Survivability, M.S.

Thesis, Naval Post- graduate School, Monterey, 3. Boeing Technical Proposal D, Investigation of Ballistic Damage Tolerant Fuel Tanks by Research and Engineering Group, Aerospace Division, The Boeing Company, 15 June monitor every cell of the total cells of the fuel cell stacks.

The air compressor is a centrifugal supercharger design rotating atrpm and delivering nearly 4, SLM at bar (absolute). The fuel cell stacks are cooled with de-ionized water flowing at LPM to maintain the stack temp erature between 65° C and 75° C. AN INTRODUCTION TO FUEL CELLS AND HYDROGEN TECHNOLOGY by Brian Cook, Heliocentris (Vancouver, Canada) Whereas the 19th Century was the century of the steam engine and the 20th Century was the century of the internal combustion engine, it is likely that the 21st Century will be the century of the fuel cell.

When high-velocity penetrator impacts and penetrates a liquid-filled container such as an aircraft fuel tank, the hydrodynamic ram (HRAM) event occurs. This process could be roughly divided into four phases, each of which could cause different degrees of damage to the liquid-filled container or the surrounding equipment.

Danfoss A/S announced the acquisition of UQM Technologies Inc., Longmont, Colo., a developer and manufacturer of power-dense, high-efficiency electric motors, generators, power electronic controllers and fuel cell compressors for the commercial truck, bus, automotive, marine, and industrial markets.

UQM produces motors and inverters ranging in power transmission capability to kW. Vehicle Fuel Levels. Flammable Liquid: For flammable liquid powered vehicles and equipment, the fuel tank(s) containing the flammable liquid fuel shall not contain more than 1/4th of a tank and if shipping under the IMDG International regulations, the 1/4th tank of flammable liquid fuel shall not exceed L (66 gallons).

Flammable Gas. - David Hart, Director, E4tech and lead author of the annual Fuel Cell Industry Review. The Third Edition of Fuel Cell Systems Explained is an updated version of a book that has always been essential reading for everyone entering into the fuel cell sector, be they student or industrial practitioner.

This edition introduces the basic principles Reviews: 1. Nonetheless, fuel cell systems that operate on pure hy-drogen tend to have excellent overall response.

Fuel cell systems that operate on reformate using an on-board re-former, however, can be sluggish, particularly if steam reforming techniques are used. In light of recent alarming environmental trends combined with increasing commercial viability of fuel cells, the time is propitious for a book focusing on the systematic aspects of cell plant technology.

This multidisciplinary text covers the main types of fuel cells, R&D issues, plant design and construction, and economic factors to provide industrial and academic researchers working in 3/5(2). Hydrogen fuel cells offer a mobile, silent form of power that can be useful for recharging batteries in place of generators.

This new fuel cell promises to provide more power for lower cost. Fuel cell technologies have grabbed headlines lately, and rightly so.

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A fuel cell uses a catalyst to decompose fuel into hydrogen and carbon dioxide. The hydrogen is then combined with oxygen from the air in an electrochemical reaction that generates electricity.

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To compete with the ICE engines, however, fuel cell systems must operate and function at least as well as conventional engine. Transient behavior is a key requirement for the success of fuel cell vehicles. The fuel cell system power response is limited only by the air and hydrogen feed, flow and pressure regulation, and heat and water management.

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The main parts of a PEM fuel cell are described below. The heart of a PEM fuel cell is the membrane electrode assembly (MEA), which includes the membrane, the catalyst layers, and gas diffusion layers (GDLs).

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Contact a French Sales Engineer for more information about our hydraulic press molding solutions for fuel cell. The Hydraulic Ram Pump is an electricity and fuel free means of moving water uphill. As long as you have a water source, such as a lake, pond, stream, or storage container and you have a drop in elevation from that water source, you can move water uphill.

Most plant systems operate at to psi so the unit required to handle the cylinder in Figure might be a in. bore air cylinder driving a 9-in.

ram with a in. stroke. Using air pressure at psi could reduce the accumulator to a in. air cylinder driving a 10_-in. ram for a in. stroke. Developed by Los Alamos National Lab, SuperCam is the scientific “Swiss Army Knife” for NASA's Mars Perseverance Rover.

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NFPA codes and standards, administered by more than Technical Committees comprising approximately 8, volunteers, are adopted and used throughout the world.Publisher of over 50 scientific journals across the life, physical, earth, and health sciences, both independently and in partnership with scientific societies including Cell, Neuron, Immunity, Current Biology, AJHG, and the Trends Journals.